Sick GRTB18-P2412 Photoelectric Sensor
Sick GRTB18-P2412 photoelectric proximity sensor provides background suppression, 150 mm sensing range, PNP output, and M18 cylindrical housing design. This Sick Cylindrical Photoelectric Sensor uses visible red PinPoint LED at 650 nm, operates on 10–30 V DC, and switches at 1,000 Hz. It belongs to Sick sensing solutions, listed under Sick Photoelectric Sensors and the GR Series for industrial automation.
| Brand | Sick |
| Product Type | Photolectric Sensor |
| Product | GRTB18-P2412 |
Sick GRTB18-P2412 Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric proximity sensor |
| Functional principle detail | Background suppression |
| Dimensions (W x H x D) | 18 mm x 18 mm x 73.5 mm |
| Housing design (light emission) | Cylindrical |
| Thread diameter (housing) | M18 x 1 |
| Optical axis | Axial |
| Sensing range max. | 3 mm ... 300 mm |
| Sensing range | 20 mm ... 150 mm |
| Type of light | Visible red light |
| Light source | PinPoint LED |
| Light spot size (distance) | Ø 7 mm (100 mm) |
| Wave length | 650 nm |
| Adjustment | Potentiometer |
| Indication | LED green, LED yellow |
| Supply voltage UB | 10 V DC ... 30 V DC |
| Ripple | < 5 Vpp |
| Current consumption | 30 mA |
| Switching Output | PNP |
| Switching mode | Light/dark switching |
| Signal voltage PNP HIGH/LOW | VS - (≤ 3 V) / approx. 0 V |
| Output current Imax. | ≤ 100 mA 3) |
| Response time | < 500 µs 4) |
| Switching frequency | 1,000 Hz 5) |
| Connection type | Male connector M12, 4-pin |
| Protection class | III |
| Housing material | Metal, Nickel-plated brass and ABS |
| Optics material | Plastic, PMMA |
| Enclosure rating | IP67 |
| Items supplied | Fastening nuts (2 x) |
| Ambient operating temperature | –25 °C ... +55 °C 9) |
| Ambient temperature, storage | –40 °C ... +70 °C |
The GRTB18-P2412 Sick Cylindrical Photoelectric Sensor is designed for precise short-range object detection in automation systems. The GRTB18-P2412 Sick Cylindrical Photoelectric Sensor supports background suppression, a 20–150 mm sensing range, and stable PNP switching output. It belongs to the GR Series and is widely used across industrial automation environments.
This sensor is commonly applied in conveyors, packaging machinery, automated assembly lines, and material handling systems. Background suppression reduces false triggering from reflective surfaces, while the fast response time enables accurate detection in high-speed processes. The cylindrical M18 housing allows easy mechanical integration in compact machine designs.
The GRTB18-P2412 from Sick features an IP67-rated enclosure, robust metal housing, and an M12 connector for reliable electrical connection. Sick manufacturing standards ensure consistent optical performance, electrical stability, and dependable operation for continuous industrial use.
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